code: def load_wav(self, filename):
      audio = self.ap.load_wav(filename, sr=self.ap.sample_rate)
      return audio
  
file_path: TTS/TTS/speaker_encoder/dataset.py
imports: import numpy
  import numpy
  import queue
  import torch
  import random
  from torch.utils.data import Dataset
  from tqdm import tqdm
label_desc: Use image node_id 2 for calling the MyDataset obj's underlying member method code with example usage: obj.load_wav(filename) and returns: audio